Ball point pen



FIG. 1 is a top plan view of a ball point pen showing my new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a side elevational view of the side opposite that shown inFIG. 2;

FIG. 5 is a front elevational view thereof; and,

FIG. 6 is a rear elevational view thereof.

The ornamental design for a ball point pen, as shown and described.